exports.hot = (req,res)=> {
  	let comment = global.dbHelper.getModel('comment'); 

   	comment.find({},(error,doc) =>{
   		if(error){
       		logger.error("查找失败:"+error)
       	    res.json({
            	"code": 500,
            	"msg":"查找失败"
        	})
    	}else{
       
	        res.json({
	            "code": 200,
	            "msg": "查找成功",
	            "result":doc
	        })
   		}
 	}).sort({"watchNum":-1}).limit(5)
   
 }
